Finding the Fourth Proportional to 249,667.57, 374,464.50 and 91,859.32

Step by Step Solution

1. Step 1: Write the proportion equation
   249,667.57 : 374,464.50 = 91,859.32 : x
2. Step 2: Convert to fraction form
   249,667.57/374,464.50 = 91,859.32/x
3. Step 3: Cross multiply
   249,667.57x = 374,464.50 × 91,859.32
4. Step 4: Simplify right side
   249,667.57x = 34,398,054,334.14
5. Step 5: Solve for x
   x = 34,398,054,334.14/249,667.57
6. Step 6: Final answer
   x = 137,775.42